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clearthink.purbrowse64.exe

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application clearthink.purbrowse64.exe by ClearThink has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
ClearThink  (signed and verified)

MD5:
b02c7fceb524b73300565432871638e4

SHA-1:
b1e46976d4b0fe3521c2c0261654511dd7f7233e

SHA-256:
8fc178131fd52bf4407dfcf0d6bbaff1b69f63b28e076c1bfbd094e6fb31210c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/30/2024 8:16:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.27.16

File size:
344.7 KB (353,008 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\clearthink\bin\clearthink.purbrowse64.exe

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

Valid from:
10/9/2014 2:00:00 AM

Valid to:
8/6/2015 1:59:59 AM

Subject:
CN=ClearThink, O=ClearThink, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
59B72B1DB71CE323997B1EAF80E12AAE

File PE Metadata
Compilation timestamp:
12/20/2014 3:44:55 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

Entry address:
0x256C0

Entry point:
48, 83, EC, 28, E8, 77, 94, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 4C, 8D, 0D, 75, AF, 02, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, DB, 5E, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, 87, B0, 02, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Code size:
232.5 KB (238,080 bytes)

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